Question

If the angular momentum of a planet of mass $m$, moving around the Sun in a circular orbit is $L$, about the center of the Sun, its areal velocity is :

• A. $\frac{4L}{m}$
• B. $\frac{L}{m}$
• C. $\frac{L}{2m}$
• D. $\frac{2L}{m}$

Answer 1

Answer: (C)

$\frac{dA}{dt}=\frac{L}{2m}$